<template>
    <div>
      <!--    面包屑 导航区域-->
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>数据统计</el-breadcrumb-item>
        <el-breadcrumb-item>数据报表</el-breadcrumb-item>
      </el-breadcrumb>
<!--    卡片试图区域-->
      <el-card>
        <div id="main" style="width: 750px; height: 400px"></div>
      </el-card>
    </div>
</template>

<script>
import * as echats from 'echarts'
import _ from 'lodash'
export default {
  name: "Report",
  data(){
    return{
      //需要合并的数据
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  created() {
  },
  //页面上的元素已经被渲染完毕了
 async mounted() {
    var myChart=echats.init(document.getElementById('main'))

     const {data:res}=await this.$http.get('reports/type/1')
   if (res.meta.status!==200){
     return this.$message.error("获取折线图失败")

   }
    //数据的配置项目
 const result = _.merge(res.data,this.options)

    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(result);
  },
  methods:{

  }
}
</script>

<style lang="less" scoped>

</style>
